package servlet;

import domain.User;
import service.Cart;
import service.cartImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by Administrator on 2017/10/19.
 */
@WebServlet(name = "addCartServlet",urlPatterns = "/AddCartServlet")
public class addCartServlet extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
         String pid=request.getParameter("pid");
        Cart carts=new cartImpl();
        User user=carts.findByid(pid);

        List cart=null;
        HttpSession session=request.getSession(true);
        cart= (List) session.getAttribute("cart");
        if(cart==null)
        {
            cart=  new ArrayList();
            session.setAttribute("cart",cart);
        }

        cart.add(user);
        response.sendRedirect("/cart/cartServlet");
    }
}
